Griffon: Spelling out All Object Locations at Any Granularity with Large Language Models

• URL: http://arxiv.org/abs/2311.14552v2
• Date: Mon, 27 Nov 2023 09:54:00 GMT
• Title: Griffon: Spelling out All Object Locations at Any Granularity with Large Language Models
• Authors: Yufei Zhan, Yousong Zhu, Zhiyang Chen, Fan Yang, Ming Tang, Jinqiao Wang
• Abstract summary: Current Large Vision Language Models (LVLMs) are predominantly constrained to a single, pre-existing object. We introduce a novel language-prompted localization dataset designed to fully unleash the capabilities of LVLMs. $textbfGriffon$ achieves state-of-the-art performance on the fine-grained RefCOCO series. It also approaches the capabilities of the expert model Faster RCNN on the detection benchmark MSCOCO.
• Score: 32.01009756533755
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Replicating the innate human ability to detect all objects based on free-form texts at any granularity remains a formidable challenge for Vision-Language models. Current Large Vision Language Models (LVLMs) are predominantly constrained to grounding a single, pre-existing object, relying solely on data from Referring Expression Comprehension tasks. The limitation leads to a compromise in model design, necessitating the introduction of visual expert models or the integration of customized head structures. Beyond these constraints, our research delves into the untapped potential of LVLMs and uncover their inherent capability for basic object perception, allowing them to accurately identify and locate objects of interest. Building on this insight, we introduce a novel language-prompted localization dataset designed to fully unleash the capabilities of LVLMs in integrating fine-grained object perception with precise location awareness. More importantly, we present $\textbf{Griffon}$, a purely LVLM-based baseline, which does not require the introduction of any special tokens, expert models, or additional detection modules. It simply maintains a consistent structure with popular LVLMs by unifying data formats across various localization-related scenarios and is trained end-to-end through a well-designed pipeline. Comprehensive experiments demonstrate that $\textbf{Griffon}$ not only achieves state-of-the-art performance on the fine-grained RefCOCO series but also approaches the capabilities of the expert model Faster RCNN on the detection benchmark MSCOCO.

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